several comments:
Hyperterm LOOKs like it is making changes as you select them, in reality they take effect next time you start the program.
Bay switches use a cable the needs a null modem adapter compared to Cisco, 3 com or even bay routers, so try a null modem adapter.
I find some times control capital Y and control capital C work better than lowercase. I tried to remain child-like, all I acheived was childish.